Four Florida men were charged in a multistate telemedicine scheme that billed at least $931 million in fraudulent claims to private insurance companies, the Department of Justice said Monday.According to a 32-count indictment filed in U.S. District Court in Greeneville, Tennessee, the four defendants, owners of seven compounding pharmacies in Florida and Texas, set up an elaborate telemedicine scheme that solicited insurance and prescription drug information from consumers across the country.